xref: /frameworks/base/services/core/java/com/android/server/firewall/FilterFactory.java

/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.server.firewall;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import java.io.IOException;

public abstract class FilterFactory {
    private final String mTag;

    protected FilterFactory(String tag) {
        if (tag == null) {
            throw new NullPointerException();
        }
        mTag = tag;
    }

    public String getTagName() {
        return mTag;
    }

    public abstract Filter newFilter(XmlPullParser parser)
            throws IOException, XmlPullParserException;
}